408-1662 Datasheet, PDF (6/8 Pages) Tyco Electronics – Cumulative Trauma Disorders can result from the prolonged use of manually powered hand tools.

408-1662
3. MAINTENANCE/INSPECTION PROCEDURE
Tyco Electronics recommends that a maintenance-
inspection program be performed periodically. This is
necessary to assure that continued use of the dies will
result in the same dependable and uniform
terminations for which the dies were designed.
We recommend an initial frequency of inspection of
once a month. This frequency may be adjusted to suit
your requirements through experience. The frequency
of an inspection is dependent upon:
• The care, amount of use, and handling of the dies.
• The type and size of the products crimped.
• The degree of operator skill.
• The presence of abnormal amounts of dust and
dirt.; and
• Your own established standards.
With proper maintenance and inspection, these dies
will give years -of satisfactory service.
All Tyco Electronics dies are thoroughly inspected
before being shipped from the factory, however, since
there is a possibility of die damage in shipment, it is
recommended that new dies be inspected in
accordance with Section 3 when received in your
plant.
3.1. Cleaning
Do not allow deposits of dirt, grease and foreign
matter to accumulate in the die closure area and on
the bottoming surfaces of the dies. These deposits
may prevent the dies from bottoming fully and may
also cause excessive wear in the die closure surfaces,
thereby affecting the quality of the crimp. The dies
should be wiped clean frequently with a clean cloth.
3.2. Visual Inspection
Visually inspect the die closure surfaces for broken or
chipped conditions. Although dies may gage within
permissible limits, worn or damaged die closure
surfaces are objectionable and can affect the quality
of the crimp. Examples of possible damaged die
surfaces are shown in Figure 13.
3.3. Die Closure Inspection
Every Tyco Electronics die set is inspected and tested
for proper die closure before being shipped from the
factory. An inspection should, however, be performed
periodically to measure the die closure.
Figure 13
The die closure inspection is accomplished using GO
NO-GO plug gages. Tyco Electronics neither
manufactures nor sells plug gages, however, a
suggested plug gage design and the GO NO-GO
dimensions of the plug gage members are listed in
Figure 14. The following procedure is recommended
for measuring the die closures.
NOTE
i
Refer to 408 -7424 for ordering information and for
information concerning the GO NO-GO gages.
1. Remove traces of oil or dirt from die crimping
area and plug gage members.
2. Insert dies in tool.
3. When using hand tool, close handles of tool
until dies bottom. Do not apply additional
pressure to tool handles.
4. When using pneumatic tool, reduce air supply
pressure to a range between 15-20 p.s.i.
Depress trigger to bottom dies.
5. With crimping dies bottomed, check the die
closure using the proper plug gage. Hold gage in
straight alignment with the die closure and
carefully try to insert without forcing, the GO
member, and then the NO-GO member. See
Figure14. The GO member must pass
completely through the die closure.
Rev A
6 of 8
LOC B